/*
Выражение If
*/
class IfDemo {
  public static void main(String args[]) {
    int a, b, c;
	
	a = 2;
	b = 3;
	
	if(a < b) System.out.println(" a is less than b ");
	
	if(a == b) System.out.println(" you won't see this ");
	
	c = a - b;
	
	System.out.println(" c contains -1 ");
	
	if(c >= 0) System.out.println(" c is non-negative ");
	if(c < 0) System.out.println(" c is negative ");
	
	System.out.println();
	c = b - a;
	
	System.out.println(" c contains 1 ");
	if(c >= 0) System.out.println(" c is non-negative ");
	if(c < 0) System.out.println(" c is negative ");
	}
}